US20090250477A1 - Anti-vibration sheet for cargo container - Google Patents

Anti-vibration sheet for cargo container Download PDF

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Publication number
US20090250477A1
US20090250477A1 US12/385,018 US38501809A US2009250477A1 US 20090250477 A1 US20090250477 A1 US 20090250477A1 US 38501809 A US38501809 A US 38501809A US 2009250477 A1 US2009250477 A1 US 2009250477A1
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US
United States
Prior art keywords
cargo container
bending portion
straps
rectangular sheet
sheet
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/385,018
Inventor
Mok Chuan Chong
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Individual
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Individual
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Publication date
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Publication of US20090250477A1 publication Critical patent/US20090250477A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/004—Contents retaining means
    • B65D90/0053—Contents retaining means fixed on the side wall of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2590/00—Component parts, details or accessories for large containers
    • B65D2590/0041—Contents retaining means
    • B65D2590/005—Contents retaining means adaptable to the size of the transport goods

Definitions

  • the present invention relates to a device for ensuring transportation safety, and more particularly, to an anti-vibration sheet for a cargo container.
  • a liquid cargo can be stored and transported in a flexible tank that is installed in a cargo container.
  • the liquid-loaded tank tends to vibrate up and down in the cargo container due to flow inertia of the liquid.
  • air bags have been used to prevent or minimize such vibration of the flexible tank, chances are the air bags either yield to the pressure of the vibration or transfer the pressure to a top portion of the cargo container, so that the top portion of the cargo container is easily damaged.
  • a known device for preventing vibrations of a flexible liquid tank in a cargo container is an anti-vibration sheet that is mounted at an opening of the cargo container and comprises a rectangular sheet. Two flaps are attached to two lateral sides of the rectangular sheet respectively, wherein each of the flaps is provided with an attaching structure.
  • the rectangular sheet is provided with a strip-like fastening device extending from a top side of the rectangular sheet.
  • the rectangular sheet is further provided with an external vertical steel bar to enhance anti-vibration effects. Nevertheless, during transportation, the anti-vibration sheet having the aforementioned structure still fails to effectively prevent the flexible liquid tank in the cargo container from vibrating upwards and hitting a top portion of the cargo container. As a result, the top portion of the cargo container may be damaged or the flexible liquid tank may rupture.
  • an objective of the present invention to provide an anti-vibration sheet for a cargo container so as to prevent a flexible liquid tank in the cargo container from vibrating upwards and hitting a top portion of the cargo container during transportation.
  • the present invention provides an anti-vibration sheet for a cargo container, wherein the anti-vibration sheet comprises a rectangular sheet and is characterized in that: the rectangular sheet has a front end and a rear end, both bended downwards to form a front bending portion and a rear bending portion, respectively; the front bending portion is attached with a front fastening strap on either side thereof while the rear bending portion is attached with a rear fastening strap on either side thereof; the rectangular sheet is further attached on either side thereof between the front and the rear bending portions with a plurality of transverse straps spaced at a particular spacing; and a plurality of vertical straps are connected correspondingly to the transverse straps.
  • the anti-vibration sheet of the present invention is installed directly on top of a flexible liquid tank in a cargo container and can effectively prevent the flexible liquid tank from vibrating upwards, so that a top portion of the cargo container will not be damaged by impacts from the flexible liquid tank.
  • each of the vertical straps has two ends fixedly connected to metal fasteners installed respectively at an upper end and a lower end of laterally-positioned inner walls of the cargo container, and that each of the vertical straps is further provided with a height-adjustable strap ring for connecting a corresponding one of the transverse straps.
  • FIG. 1 is a schematic structural drawing of a rectangular sheet according to the present invention (without vertical straps);
  • FIG. 2 is a schematic drawing of an anti-vibration sheet according to the present invention.
  • FIG. 3 is a schematic drawing showing application of the present invention.
  • an anti-vibration sheet according to a preferred embodiment of the present invention comprises a rectangular sheet 10 having a front end and a rear end, both bended downwards to form a front bending portion 12 and a rear bending portion 14 , respectively.
  • the front bending portion 12 is attached with a front fastening strap 16 on either side thereof while the rear bending portion 14 is attached with a rear fastening strap 18 on either side thereof.
  • the rectangular sheet 10 is further attached on either side thereof between the front bending portion 12 and the rear bending portion 14 with a plurality of transverse straps 17 spaced at a particular spacing. As shown in the drawings for example, there are five transverse straps 17 on either side of the rectangular sheet 10 .
  • the transverse straps 17 are each connected to a corresponding one of a plurality of vertical straps 22 , and two ends of the corresponding one of the vertical straps 22 are connected to metal fasteners 24 respectively.
  • the metal fasteners 24 are installed at an upper end and a lower end of two laterally-positioned inner walls of a cargo container 30 respectively.
  • a height-adjustable strap ring 26 is provided at a junction between each of the transverse straps 17 and a corresponding one of the vertical straps 22 . It should be noted that each of the transverse straps 17 is connected to the corresponding one of the vertical straps 22 via the strap ring 26 .
  • the front fastening straps 16 on the front bending portion 12 are fastened to groove bars 32 formed on two sides of a door of the cargo container 30 while the rear fastening straps 18 on the rear bending portion 14 are fastened to corner anchors 34 provided on two sides of a rear end of the cargo container 30 , as shown in FIG. 2 , so that the rectangular sheet 10 is secured in the cargo container 30 above a flexible liquid tank.
  • the rectangular sheet 10 is disposed between a top portion of the cargo container 30 and the flexible liquid tank, as shown in FIG. 3 . Furthermore, as the heights of the strap rings 26 can be adjusted relative to the corresponding vertical straps 22 , the present invention allows the position of the rectangular sheet 10 to be adjusted according to the size of the flexible liquid tank.

Abstract

An anti-vibration sheet for a cargo container comprises a rectangular sheet and is characterized in that: the rectangular sheet has a front end and a rear end, both bended downwards to form a front bending portion and a rear bending portion, respectively; the front bending portion is attached with a front fastening strap on either side thereof while the rear bending portion is attached with a rear fastening strap on, either side thereof; the rectangular sheet is further attached on either side thereof between the front and the rear bending portions with a plurality of transverse straps spaced at a particular spacing; and a plurality of vertical straps are connected correspondingly to the transverse straps.

Description

    BACKGROUND OF THE INVENTION
  • 1. Technical Field
  • The present invention relates to a device for ensuring transportation safety, and more particularly, to an anti-vibration sheet for a cargo container.
  • 2. Description of Related Art
  • Nowadays, a liquid cargo can be stored and transported in a flexible tank that is installed in a cargo container. During transportation, however, the liquid-loaded tank tends to vibrate up and down in the cargo container due to flow inertia of the liquid. Although air bags have been used to prevent or minimize such vibration of the flexible tank, chances are the air bags either yield to the pressure of the vibration or transfer the pressure to a top portion of the cargo container, so that the top portion of the cargo container is easily damaged.
  • A known device for preventing vibrations of a flexible liquid tank in a cargo container is an anti-vibration sheet that is mounted at an opening of the cargo container and comprises a rectangular sheet. Two flaps are attached to two lateral sides of the rectangular sheet respectively, wherein each of the flaps is provided with an attaching structure. The rectangular sheet is provided with a strip-like fastening device extending from a top side of the rectangular sheet. The rectangular sheet is further provided with an external vertical steel bar to enhance anti-vibration effects. Nevertheless, during transportation, the anti-vibration sheet having the aforementioned structure still fails to effectively prevent the flexible liquid tank in the cargo container from vibrating upwards and hitting a top portion of the cargo container. As a result, the top portion of the cargo container may be damaged or the flexible liquid tank may rupture.
    • BRIEF SUMMARY OF THE INVENTION
  • In view of the shortcomings of the prior art, it is an objective of the present invention to provide an anti-vibration sheet for a cargo container so as to prevent a flexible liquid tank in the cargo container from vibrating upwards and hitting a top portion of the cargo container during transportation.
  • To achieve this target, the present invention provides an anti-vibration sheet for a cargo container, wherein the anti-vibration sheet comprises a rectangular sheet and is characterized in that: the rectangular sheet has a front end and a rear end, both bended downwards to form a front bending portion and a rear bending portion, respectively; the front bending portion is attached with a front fastening strap on either side thereof while the rear bending portion is attached with a rear fastening strap on either side thereof; the rectangular sheet is further attached on either side thereof between the front and the rear bending portions with a plurality of transverse straps spaced at a particular spacing; and a plurality of vertical straps are connected correspondingly to the transverse straps.
  • In contrast to existing anti-vibration sheets, the anti-vibration sheet of the present invention is installed directly on top of a flexible liquid tank in a cargo container and can effectively prevent the flexible liquid tank from vibrating upwards, so that a top portion of the cargo container will not be damaged by impacts from the flexible liquid tank.
  • In addition, the anti-vibration sheet of the present invention is advantageous in that each of the vertical straps has two ends fixedly connected to metal fasteners installed respectively at an upper end and a lower end of laterally-positioned inner walls of the cargo container, and that each of the vertical straps is further provided with a height-adjustable strap ring for connecting a corresponding one of the transverse straps.
    • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
  • Further details of the present invention are disclosed in the following description of a preferred embodiment of the present invention and the accompanying drawings, wherein:
  • FIG. 1 is a schematic structural drawing of a rectangular sheet according to the present invention (without vertical straps);
  • FIG. 2 is a schematic drawing of an anti-vibration sheet according to the present invention; and
  • FIG. 3 is a schematic drawing showing application of the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Referring to FIG. 1, an anti-vibration sheet according to a preferred embodiment of the present invention comprises a rectangular sheet 10 having a front end and a rear end, both bended downwards to form a front bending portion 12 and a rear bending portion 14, respectively.
  • The front bending portion 12 is attached with a front fastening strap 16 on either side thereof while the rear bending portion 14 is attached with a rear fastening strap 18 on either side thereof. The rectangular sheet 10 is further attached on either side thereof between the front bending portion 12 and the rear bending portion 14 with a plurality of transverse straps 17 spaced at a particular spacing. As shown in the drawings for example, there are five transverse straps 17 on either side of the rectangular sheet 10.
  • According to FIG. 2, the transverse straps 17 are each connected to a corresponding one of a plurality of vertical straps 22, and two ends of the corresponding one of the vertical straps 22 are connected to metal fasteners 24 respectively. Referring also to FIG. 3, the metal fasteners 24 are installed at an upper end and a lower end of two laterally-positioned inner walls of a cargo container 30 respectively.
  • Referring to FIGS. 2 and 3, a height-adjustable strap ring 26 is provided at a junction between each of the transverse straps 17 and a corresponding one of the vertical straps 22. It should be noted that each of the transverse straps 17 is connected to the corresponding one of the vertical straps 22 via the strap ring 26. The front fastening straps 16 on the front bending portion 12 are fastened to groove bars 32 formed on two sides of a door of the cargo container 30 while the rear fastening straps 18 on the rear bending portion 14 are fastened to corner anchors 34 provided on two sides of a rear end of the cargo container 30, as shown in FIG. 2, so that the rectangular sheet 10 is secured in the cargo container 30 above a flexible liquid tank. In other words, the rectangular sheet 10 is disposed between a top portion of the cargo container 30 and the flexible liquid tank, as shown in FIG. 3. Furthermore, as the heights of the strap rings 26 can be adjusted relative to the corresponding vertical straps 22, the present invention allows the position of the rectangular sheet 10 to be adjusted according to the size of the flexible liquid tank.

Claims (2)

1. An anti-vibration sheet for a cargo container, comprising a rectangular sheet and being characterized in that:
the rectangular sheet has a front end and a rear end, both bended downwards to form a front bending portion and a rear bending portion, respectively;
the front bending portion is attached with a front fastening strap on either side thereof while the rear bending portion is attached with a rear fastening strap on either side thereof;
the rectangular sheet is further attached on either side thereof between the front and the rear bending portions with a plurality of transverse straps spaced at a particular spacing; and
a plurality of vertical straps are connected correspondingly to the transverse straps.
2. The anti-vibration sheet as claimed in claim 1, wherein each of the vertical straps has two ends fixedly connected to metal fasteners installed respectively at an upper end and a lower end of inner walls of the cargo container, and each of the vertical straps is further provided with a height-adjustable strap ring for connecting a corresponding one of the transverse straps.
US12/385,018 2008-04-07 2009-03-30 Anti-vibration sheet for cargo container Abandoned US20090250477A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200820046054.1 2008-04-07
CNU2008200460541U CN201158529Y (en) 2008-04-07 2008-04-07 Anti-fluctuation cloth for container

Publications (1)

Publication Number Publication Date
US20090250477A1 true US20090250477A1 (en) 2009-10-08

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US12/385,018 Abandoned US20090250477A1 (en) 2008-04-07 2009-03-30 Anti-vibration sheet for cargo container

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US (1) US20090250477A1 (en)
CN (1) CN201158529Y (en)
DE (1) DE202008017036U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010133008A1 (en) * 2009-05-22 2010-11-25 Chong Mokchuan Anti-fluctuation device for container

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781498A (en) * 1986-06-23 1988-11-01 Cox Joseph W Adjustable load retainer and retention means for use in a transport vehicle
US4964771A (en) * 1989-05-10 1990-10-23 Callihan Timothy N Cargo restrainer
US5860777A (en) * 1995-08-25 1999-01-19 Great Dane Limited Partnership Cargo restraint attachment assembly
US6287062B1 (en) * 1999-05-18 2001-09-11 Richard Vallance Hold down strap with tie-off loop
US6851903B1 (en) * 2003-05-09 2005-02-08 Bruce Edward Foggy Cargo net/mesh tarp securing and sling device
US7448836B2 (en) * 2005-04-22 2008-11-11 D B Industries, Inc. Load containment netting system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781498A (en) * 1986-06-23 1988-11-01 Cox Joseph W Adjustable load retainer and retention means for use in a transport vehicle
US4964771A (en) * 1989-05-10 1990-10-23 Callihan Timothy N Cargo restrainer
US5860777A (en) * 1995-08-25 1999-01-19 Great Dane Limited Partnership Cargo restraint attachment assembly
US6287062B1 (en) * 1999-05-18 2001-09-11 Richard Vallance Hold down strap with tie-off loop
US6851903B1 (en) * 2003-05-09 2005-02-08 Bruce Edward Foggy Cargo net/mesh tarp securing and sling device
US7448836B2 (en) * 2005-04-22 2008-11-11 D B Industries, Inc. Load containment netting system

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Publication number Publication date
DE202008017036U1 (en) 2009-05-20
CN201158529Y (en) 2008-12-03

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